Barges sit docked along the Mississippi River downstream from the Robert Street bridge in St. Paul. St. Paul Area Chamber of Commerce leaders fear new rules could impede development on the river. “We can’t forget about the notion of the river being a working river,” said Michael Belaen, the chamber’s public affairs director and legal counsel. “St. Paul and Minneapolis were built where they were because of the river.” (Staff photo: Bill Klotz)